Results 11 to 20 of about 7,077 (165)

Chemical and mineralogical composition of the powder in cement kilns

open access: yesMateriales de Construccion, 1968
Not ...
S. Sprung
doaj   +1 more source

Cuánto es un PSI?

open access: yesCiencia e Ingeniería Neogranadina, 1994
Con motivo de 10 conferencia sobre Concreto con Rodillo RCC, dictada el pasado 25 de mayo por el Ingeniero CIPRIANO A. LONDONO, a los alumnos de VI semestre de Ingeniería Civil, y atendiendo la invitación hecha por el Ing.
Cipriano A. Londoño
doaj   +1 more source

Comportamiento físico-mecánico del hormigón adicionando residuos de acero: una revisión literaria

open access: yesRevista UIS Ingenierías, 2021
En la actualidad, el interés por usar materiales de desecho y subproductos provenientes del hormigón ha incrementado, debido a la necesidad de minimizar la contaminación en el planeta.
Socrates Pedro Muñoz-Pérez   +3 more
doaj   +1 more source

El pliego actual y sus implicaciones económicas

open access: yesMateriales de Construccion, 1977
Cuando hace algunos meses recibí la invitación de participar en estos sextos Coloquios de Directores y Técnicos de Fábricas de Cemento, que me hizo el Director del Instituto Eduardo Torroja de la Construcción y del Cemento, mi buen amigo Paco Arredondo ...
Rafael María Cuitart
doaj   +1 more source

Correction factors to predict the in-place compressive strength of a self-compacting concrete

open access: yesMateriales de Construccion, 2013
The present study aimed to determine whether certain correction factors used in the in-place prediction of compressive strength with concrete cores are directly applicable to self-consolidating concretes (SCCs).
L. Rojas-Henao   +2 more
doaj   +1 more source

The new european standard on common cements specifications EN 197-1:2011

open access: yesMateriales de Construccion, 2012
In this paper, the novelties of European standard EN 197-1:2011 which has been aprobed on 6th August, 2011 are presented. The european standard EN 197-1:2011 has been published in the Official Journal of the European Union on 19th June, 2012 (C 176/1 ...
M. A. Sanjuán, C. Argiz
doaj   +1 more source

Hidration kinetics study of tlie mixed cements

open access: yesMateriales de Construccion, 1993
A study of the hydration process of cements with 10% and 20% addition of a tuff from "Las Carolinas" quarry (Cienfuegos, Cuba) by different methods was done. The results obtained by different methods showed a good agreement. It was proved an increment of
Gabriel . L Duque Fernández   +3 more
doaj   +1 more source

Clinical periodontal diagnosis

open access: yesPeriodontology 2000, EarlyView., 2023
Abstract Periodontal diseases include pathological conditions elicited by the presence of bacterial biofilms leading to a host response. In the diagnostic process, clinical signs such as bleeding on probing, development of periodontal pockets and gingival recessions, furcation involvement and presence of radiographic bone loss should be assessed prior ...
Giovanni E. Salvi   +5 more
wiley   +1 more source

Materiales en las canteras trasmeranas

open access: yesSantander, Estudios de Patrimonio, 2019
La piedra y la cal son los principales materiales empleados por los maestros canteros trasmeranos. La localización de las canteras y las características de la piedra determinan la distinción geológica de dos áreas en Trasmiera.
Ana CAGIGAS ABERASTURI
doaj   +1 more source

aMMP‐8 self‐testing and self‐administered questionnaires for periodontitis screening: A diagnostic trial in a Chinese population

open access: yesJournal of Periodontology, EarlyView.
Abstract Background Limited awareness, clinical barriers, and persistent high prevalence make large‐scale detection of periodontitis challenging, creating demand for simple, affordable, and population‐level screening strategies outside traditional dental settings.
Yu Xie   +5 more
wiley   +1 more source

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